Abus - 18594 /K: referenced Cylinder screw product produced by high technology. 18594 /K: is the result of a far more developed technology compared to similar regular products. We are one of the few companies which can present an offer for this product. It produced result of tests of laborotory for years. 18594 /K: referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.